spark plugs triumph rocket 3r 2020+

  1. Spark plugs upgraded to Laser Iridium

    hi, I just finished upgrading spark plugs to laser iridium, 4 hours job including removing fuel tank and EVAP system to reach spark plugs. Below are my Stock spark plugs which were running Penner tune + Deleted/uninstalled o2 sensor + DNA air filter + Werkes Exhaust for 8000km or 5000mikes